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    "results": [
        {
            "id": 11234,
            "url": "http://svs.gsfc.nasa.gov/11234/",
            "result_type": "Produced Video",
            "release_date": "2013-04-23T00:00:00-04:00",
            "title": "Mapping Earth's Gravity",
            "description": "Of the terrestrial planets in the solar system, Earth is not only the largest body but also the most massive. A calculation of its weight puts it slightly over 6.58 sextillion tons (that's 6.58x10^21 or 6,580,000,000,000,000,000,000). It's heavy because everything on our planet has mass—from the land that covers the continents to the water that fills the oceans. Earth's mass, however, isn't distributed evenly. Varying surface topography and the continuous movement of water cause different parts of the globe to have more or less mass than other regions. Since 2002, NASA's twin GRACE satellites have mapped Earth's gravity (the attractive force exerted by its mass), enabling scientists to see these differences and monitor how they change over time. Watch the visualization for a tour of Earth's gravity field. || ",
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        {
            "id": 3671,
            "url": "http://svs.gsfc.nasa.gov/3671/",
            "result_type": "Visualization",
            "release_date": "2010-01-14T12:00:00-05:00",
            "title": "Amazon Basin Monthly GRACE Data",
            "description": "This visualization displays monthly GRACE data in the Amazon basin. GRACE (Gravity Recovery and Climate Experiment) measures mass distribution and in this instance is used to demonstrate water storage and movement in the basin. Warmer colors like red and yellow reveal areas with greater mass, or more water, while cooler colors like blue and green indicate areas with lesser mass, or less water. || ",
            "hits": 40
        },
        {
            "id": 3655,
            "url": "http://svs.gsfc.nasa.gov/3655/",
            "result_type": "Visualization",
            "release_date": "2009-11-24T14:30:00-05:00",
            "title": "GRACE Gravity Model",
            "description": "The following animation displays the Earth's gravitational anomalies. The colors and heights represent the strength of gravity at the locality. Areas with less mass, such as ocean basins, show up as blue, that is less gravity, while mountains such as the Andes are red, representing the greater pull of gravity. The visualization utilizes a version of the GRACE Gravity Model 02 that has been smoothed for greater readability. || ",
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        }
    ]
}